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Elsevier, Journal of Organometallic Chemistry, 1-2(551), p. 133-138

DOI: 10.1016/s0022-328x(97)00516-0

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Ansa-bridged η-cyclopentadienyl imido and amido derivatives of titanium, zirconium and molybdenum

Journal article published in 1998 by Pedro T. Gomes ORCID, Malcolm L. H. Green, Ana M. Martins ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

An improved synthesis of the ligand precursor {[C5H4(SiMe3)](CH2)(3)N(SiMe3)(2)) is described. It has been used to prepare the compounds {Ti[eta:sigma-C5H4(CH2)(3)N(SiMe3)]Cl-2), {Ti[eta-C5H4(CH2)(3)(mu-N)C-l}(2), {Zr[eta:sigma-C5H4(CH2)(3)N(SiMe3)](SMe2)Cl-2}, {Zr[eta:sigma-C5H4(CH2)(3)N(SiMe3)]Cl-2} and (Mo[eta:sigma-C5H4(CH2)(3)N(SiMe3)](PMe3)Cl-2}. The zirconium compounds together with methylaluminoxane act as catalysts for ethylene and propylene polymerisation. (C) 1998 Elsevier Science S.A.